/* $NetBSD: t_ducet.c,v 1.2 2017/07/23 18:51:21 perseant Exp $ */

/*-
 * Copyright (c) 2011 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
#include <sys/cdefs.h>
__COPYRIGHT("@(#) Copyright (c) 2011\
 The NetBSD Foundation, inc. All rights reserved.");
__RCSID("$NetBSD: t_ducet.c,v 1.2 2017/07/23 18:51:21 perseant Exp $");

#include <sys/param.h>
#include <errno.h>
#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <wchar.h>
#include "ducet_test.h"

#include <atf-c.h>

ATF_TC(wcscoll_ducet);
ATF_TC_HEAD(wcscoll_ducet, tc)
{
        atf_tc_set_md_var(tc, "descr", "Test collation algorithm against DUCET test data");
}

ATF_TC_BODY(wcscoll_ducet, tc)
{
#ifndef __STDC_ISO_10646__
        atf_tc_skip("Cannot test DUCET without __STDC_ISO_10646__");
#else
        wchar_t *oline = NULL, *line;
        int i, lineno = 0;

        setlocale(LC_COLLATE, "en_US.UTF-8"); /* should be "vanilla" DUCET, but en_US will do */
        ATF_REQUIRE_STREQ("en_US.UTF-8", setlocale(LC_COLLATE, NULL));

        for (line = &ducet_test_data[0][0]; line[0]; line += MAX_TS_LEN * sizeof(*line)) {
                ++lineno;

                if (oline == NULL) {
                        oline = line;
                        continue;
                }

                printf(" line %d : ", lineno);
                for (i = 0; oline[i] != 0; i++)
                        printf("0x%lx ", (long)oline[i]);
                printf(" < ");
                for (i = 0; line[i] != 0; i++)
                        printf("0x%lx ", (long)line[i]);
                printf("\n");
                
                /* Compare, expect oline <= line, a non-positive result */
                ATF_CHECK(wcscoll(oline, line) <= 0);

                oline = line;
        }
#endif
}

ATF_TC(wcsxfrm_ducet);
ATF_TC_HEAD(wcsxfrm_ducet, tc)
{
        atf_tc_set_md_var(tc, "descr", "Test collation algorithm against DUCET test data");
}

#define BUFLEN 1024

ATF_TC_BODY(wcsxfrm_ducet, tc)
{
#ifndef __STDC_ISO_10646__
        atf_tc_skip("Cannot test DUCET without __STDC_ISO_10646__");
#else
        wchar_t *tmp, *oline = NULL, *line;
        wchar_t xfb1[BUFLEN], xfb2[BUFLEN]; /* Gross overestimates */
        wchar_t *oxf = xfb1, *xf = xfb2;
        int i, lineno = 0, result;

        setlocale(LC_COLLATE, "en_US.UTF-8"); /* should be "vanilla" DUCET, but en_US will do */
        ATF_REQUIRE_STREQ("en_US.UTF-8", setlocale(LC_COLLATE, NULL));

        memset(xfb1, 0, BUFLEN);
        memset(xfb2, 0, BUFLEN);
        for (line = &ducet_test_data[0][0]; line[0]; line += MAX_TS_LEN * sizeof(*line)) {
                ++lineno;

                if (oline == NULL) {
                        oline = line;
                        continue;
                }

                printf(" line %d : ", lineno);
                for (i = 0; oline[i] != 0; i++)
                        printf("0x%lx ", (long)oline[i]);
                printf(" < ");
                for (i = 0; line[i] != 0; i++)
                        printf("0x%lx ", (long)line[i]);
                printf("\n");
                
                wcsxfrm(xf, line, BUFLEN);
                result = wcscmp(oxf, xf);
                if (result > 0) {
                        printf("FAILED result was %d\nweights were ", result);
                        for (i = 0; oxf[i] != 0; i++)
                                printf("0x%lx ", (long)oline[i]);
                        printf(" and ");
                        for (i = 0; xf[i] != 0; i++)
                                printf("0x%lx ", (long)line[i]);
                        printf("\n");
                        
                }
                ATF_CHECK(result <= 0);

                /* Swap buffers */
                tmp = oxf;
                oxf = xf;
                xf = tmp;
                oline = line;
        }
#endif
}

ATF_TP_ADD_TCS(tp)
{
        ATF_TP_ADD_TC(tp, wcscoll_ducet);
        ATF_TP_ADD_TC(tp, wcsxfrm_ducet);

        return atf_no_error();
}